Sergeant Keroro
Episode 239
S5 E34:
When Natsumi spots Koyuki and Saburo together, she comes to the conclusion that they're dating, and goes batty. Later, Keron Army HQ tries to set up Chief Nurse Pururu with a potential suitor. Pururu isn't really interested, but Keroro gets in the way by trying to help Pururu land this "big tuna."